3x+x-4+100 = 180
4x +96 =180
4x = 180 -96
4x = 84
x=84/4
x=21
Answer:
ask questions in class
Step-by-step explanation:
(m=n) means that the greatest common denominator of m and n is 0.
this is a whole number.
this is a integer.
this is not a rational or irrational.
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